xenharmonic (microtonal wiki) - Least common multiple

The least common multiple (lcm) or its logarithm (for example Log2) can be used as a dissonance measure for intervals and chords.

Examples

interval/ chord	lcm
7:5	35
8:5	40
5:6:7	210
6:7:8	168

See also

http://en.wikipedia.org/wiki/Least_common_multiple

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